“Sharing Emotions in Social Networks: Data Mining Tools for Sentiment Analysis of Audiences”
Per maggiori informazioni: http://www.blogmeter.it/blog/eventi/2014/03/07/sentiment-analysis-speech-di-blogmeter-e-celi-al-simposio-di-new-york/
Spotify AI DJ Deck - The Agency at University of Florida
Sharing emotions in social networks_Celi & Blogmeter_Sentiment Symposium_201403
1. Sharing Emotions in Social
Networks
Data Mining Tools for Audience Sentiment Analysis
Sentiment Symposium 2014
5/3/2014 – New York City
Vittorio Di Tomaso
@CELI_NLP
1
2. Blogmeter collects 1M+ Italian tweets
every day
About 10% are related to TV programs
Second screen is a reality
All data collected using BlogMeter’s SocialTVMeter
2
3. The Experiment
Is it possible to give broadcasters
and advertisers true insights on
how programs are perceived by
their audiences?
3
4. What we want
A methodology to discover
meaningful similarities and
differences in a collection of items
described by several variables
(sentiment & emotions)
4
7. Data Analysis: can we do better?
To gain a deeper understanding of data, we
derived a geometric representation of
people AND emotions in the same space
We employed Multiple Correspondence
Analysis, a PCA variant for discrete data
7
14. Conclusions
Multivariate techniques were succefully
applied on high quality semantic data
Highlighting relevant features of audiences
provides crucial pieces of information to
broadcasters and potential advertisers
14